.page{
  height: 100%;
  background: url(../bg.jpg) no-repeat;
  background-size: cover; 
  overflow: hidden;
  .sign-box{
    width: 400px;
    background: #fff;
    padding: 30px 50px 20px 30px;
    border-radius: 4px;
    box-shadow: 0 0 10px #022c44;
    .title{
      text-align: center;
      font-size: 20px;
      line-height: 30px;
      margin-top: 0;
      margin-bottom: 10px;
      color: #000;
    }
    .w100p{
      width: 100%;
    }
  }
}
